Hole migration in the spin-ladder, dimer chain material Sr2.5Ca11.5Cu24O41

R. Bewley; R. S. Eccleston; T. Nagata; J. Akimitsu

doi:10.1016/S0921-4526(99)01729-9

Hole migration in the spin-ladder, dimer chain material Sr_2.5Ca_11.5Cu₂₄O₄₁

R. Bewley, R. S. Eccleston, T. Nagata, J. Akimitsu

Research output: Contribution to journal › Conference article › peer-review

Abstract

The structure of the (Sr_xCa_1-x)₁₄Cu₂₄O₄₁ series contains both Cu₂O₃ spin-ladder layers and CuO₂ spin chains. Previous measurements on the undoped sample (x = 1) showed all the holes were located on the chains, with the magnetic Cu²⁺ ions on the chain forming a well-defined dimer configuration. We have performed inelastic neutron scattering on a single crystal of the Ca-doped sample Sr_2.5Ca_11.5Cu₂₄O₄₁. The results show that two magnetic states now coexist on the chain, with one hole per formula unit migrating to the ladders.

Original language	English
Pages (from-to)	662-663
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	276-278
DOIs	https://doi.org/10.1016/S0921-4526(99)01729-9
Publication status	Published - Mar 2000
Externally published	Yes
Event	2nd European Conference on Neutron Scattering (ECNS '99) - Budapest, Hung Duration: Sep 1 1999 → Sep 4 1999

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(99)01729-9

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title = "Hole migration in the spin-ladder, dimer chain material Sr2.5Ca11.5Cu24O41",

abstract = "The structure of the (SrxCa1-x)14Cu24O41 series contains both Cu2O3 spin-ladder layers and CuO2 spin chains. Previous measurements on the undoped sample (x = 1) showed all the holes were located on the chains, with the magnetic Cu2+ ions on the chain forming a well-defined dimer configuration. We have performed inelastic neutron scattering on a single crystal of the Ca-doped sample Sr2.5Ca11.5Cu24O41. The results show that two magnetic states now coexist on the chain, with one hole per formula unit migrating to the ladders.",

author = "R. Bewley and Eccleston, {R. S.} and T. Nagata and J. Akimitsu",

year = "2000",

month = mar,

doi = "10.1016/S0921-4526(99)01729-9",

language = "English",

volume = "276-278",

pages = "662--663",

journal = "Physica B: Condensed Matter",

issn = "0921-4526",

publisher = "Elsevier",

note = "2nd European Conference on Neutron Scattering (ECNS '99) ; Conference date: 01-09-1999 Through 04-09-1999",

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TY - JOUR

T1 - Hole migration in the spin-ladder, dimer chain material Sr2.5Ca11.5Cu24O41

AU - Bewley, R.

AU - Eccleston, R. S.

AU - Nagata, T.

AU - Akimitsu, J.

PY - 2000/3

Y1 - 2000/3

N2 - The structure of the (SrxCa1-x)14Cu24O41 series contains both Cu2O3 spin-ladder layers and CuO2 spin chains. Previous measurements on the undoped sample (x = 1) showed all the holes were located on the chains, with the magnetic Cu2+ ions on the chain forming a well-defined dimer configuration. We have performed inelastic neutron scattering on a single crystal of the Ca-doped sample Sr2.5Ca11.5Cu24O41. The results show that two magnetic states now coexist on the chain, with one hole per formula unit migrating to the ladders.

AB - The structure of the (SrxCa1-x)14Cu24O41 series contains both Cu2O3 spin-ladder layers and CuO2 spin chains. Previous measurements on the undoped sample (x = 1) showed all the holes were located on the chains, with the magnetic Cu2+ ions on the chain forming a well-defined dimer configuration. We have performed inelastic neutron scattering on a single crystal of the Ca-doped sample Sr2.5Ca11.5Cu24O41. The results show that two magnetic states now coexist on the chain, with one hole per formula unit migrating to the ladders.

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DO - 10.1016/S0921-4526(99)01729-9

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VL - 276-278

SP - 662

EP - 663

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

T2 - 2nd European Conference on Neutron Scattering (ECNS '99)

Y2 - 1 September 1999 through 4 September 1999

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Hole migration in the spin-ladder, dimer chain material Sr_2.5Ca_11.5Cu₂₄O₄₁

Abstract

ASJC Scopus subject areas

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